Finding the Fourth Proportional to 108,956.88, 163,573.56 and 92,644.56

Step by Step Solution

1. Step 1: Write the proportion equation
   108,956.88 : 163,573.56 = 92,644.56 : x
2. Step 2: Convert to fraction form
   108,956.88/163,573.56 = 92,644.56/x
3. Step 3: Cross multiply
   108,956.88x = 163,573.56 × 92,644.56
4. Step 4: Simplify right side
   108,956.88x = 15,154,200,493.83
5. Step 5: Solve for x
   x = 15,154,200,493.83/108,956.88
6. Step 6: Final answer
   x = 139,084.38